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The lens in the adult human eye blocks nearly 100 percent of the sun's UV rays. As part of the normal aging process, the eye's natural lens eventually blocks some short-wavelength blue light as well â the type of blue light most likely to cause damage to the retina and lead to macular degeneration and vision loss.
LED lights can damage your eyes. Exposure to LED lights can cause irreparable harm to the retina of the human eye, according to a study. Light-emitting diode (LED) lights may cause permanent damage to your eyes, a new research has claimed. The study found that exposure to LED lights can cause irreparable harm to the retina of the human eye. Once the retina cells are destroyed by prolonged and continuous exposure to LED rays, they cannot be replaced and will not regrow, ThinkSpain.com reported.